The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A278278 Number of nX6 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero. 1
 0, 109, 3723, 172091, 7466627, 329985827, 14526103064, 640011857446, 28192246592564, 1241921389868057, 54708244420668156, 2409976614356023808, 106162841585764737411, 4676622598537493878129, 206011798163918590188603 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 6 of A278280. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 98 FORMULA Empirical recurrence of order 98 (see link above) EXAMPLE Some solutions for n=4 ..0..1..0..0..1..1. .0..0..1..1..0..0. .0..0..1..0..1..0. .0..0..0..1..1..0 ..0..1..1..1..1..0. .1..0..0..1..1..1. .1..0..1..0..1..0. .1..1..1..1..0..0 ..0..0..0..0..1..0. .1..1..0..0..1..1. .1..1..0..1..1..0. .1..0..0..1..0..1 ..1..1..1..0..0..0. .0..0..1..1..0..0. .0..0..1..0..0..1. .0..1..0..0..0..1 CROSSREFS Cf. A278280. Sequence in context: A232198 A232416 A333116 * A280626 A357231 A227949 Adjacent sequences: A278275 A278276 A278277 * A278279 A278280 A278281 KEYWORD nonn AUTHOR R. H. Hardin, Nov 16 2016 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified March 4 10:39 EST 2024. Contains 370528 sequences. (Running on oeis4.)